Hair straightening brush



FIG. 1 is a front and bottom perspective view of a new design for a hair straightening brush;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a rear elevational view thereof;

FIG. 7 is a front elevational view thereof;

FIG. 8 is a rear and top perspective view thereof;

FIG. 9 is a rear and bottom perspective view thereof;

FIG. 10 is a front and bottom perspective view thereof; and,

FIG. 11 is a top and left side perspective view thereof. 

CLAIM The ornamental design for a hair straightening brush, as shown and described. 